Step 1. Install sysstat

sudo apt-get install sysstat

Step 2. Enable stat collection

sudo vi /etc/default/sysstat
#change ENABLED=”false” to ENABLED=”true”
#save the file

Step 3. Change the collection interval.

Change from every 10 minutes to every 2 minutes.

sudo vi /etc/cron.d/sysstat

#   Change
#   5-55/10 * * * * root command -v debian-sa1 > /dev/null && debian-sa1 1 1
# To
#   */2 * * * * root command -v debian-sa1 > /dev/null && debian-sa1 1 1
#   save the file

Step 4. Restart sysstat

sudo service sysstat restart

Step 5. If you want to see all statistics you can type:

sar -A